molten spider weaving lava webs in a volcanic cave its body glowing with the heat of molten rock and fiery veins

molten spider weaving lava webs volcanic cave body glowing heat rock fiery veins crust arachnid magma temperature silk eruption spelunking geology pyroclastic vent basalt caldera geyser summit fissure ignite fumarole fusion intense isolated sulfur incandescent ash mount pyrology dazzling liquid chamber hot smoldering red ember crater geothermal steaming pumice geological